MD Clone Weiner Pipe with Thick Flange for Restricted Class PowerEver wondered how pros consistently pull ahead in tight races? The MD Clone Weiner Pipe's innovative design provides the answer, with its 0. 750 inch inner diameter channeling exhaust for explosive torque in 196cc Clone applications. As the go to choice for engine builders, this pipe's 1 2 inch thick flange ensures a rock solid mount, while dual bracing prevents flex under high RPMs. It's engineered to thrive in restricted environments, where rules